在澳大利亚的背景下,对将报废棉纺织品转化为碳纤维的最低能源要求进行了调查

IF 5.4 Q1 ENVIRONMENTAL SCIENCES
Charlotte Wesley, Farshid Pahlevani, Shahruk Nur-A-Tomal, Smitirupa Biswal, Veena Sahajwalla
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引用次数: 2

摘要

这项工作介绍了温度、时间和碳含量之间的关系,在用废弃的棉织物制备碳纤维布的过程中。这项调查的目的是确定这种纺织品回收机会的最低能源要求。利用元素燃烧仪和x射线荧光对碳纤维的组成进行了研究。通过扫描电子显微镜和x射线衍射对碳纤维的结构进行了研究。通过该工艺确定了制备常规定义下碳纤维的最佳温度和时间要求为1150℃和30 min,这要求碳含量超过90%。碳含量为80%的低等级碳纤维的最低温度和时间要求为650°C和30分钟。这项研究可以支持提高棉纺织制品的循环度,以用于环境管理或电子市场的高价值应用。这反过来又可以支持这些行业减少碳足迹,并实现其可持续采购目标,以更多地吸收回收成分材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

An investigation into the minimum energy requirements for transforming end-of-life cotton textiles into carbon fibre in an Australian context

An investigation into the minimum energy requirements for transforming end-of-life cotton textiles into carbon fibre in an Australian context

The work presents on the relationship between temperature, time and carbon content in the preparation of a carbon fibre cloth from end-of-life cotton textiles. The aim of this investigation was to identify the minimum energy requirements for this textile recycling opportunity. The composition of the carbon fibre was studied using elemental combustion instruments and X-ray fluorescence. The structure of the carbon fibres was studied through scanning electron microscopy and X-ray diffraction. Through this process it was determined that the optimum temperature and time requirements were 1150 °C and 30 min to prepare a carbon fibre under the conventional definition, which requires carbon content to be in excess of 90%. The minimum temperature and time requirements for a lower grade carbon fibre of 80% carbon content are 650 °C and 30 min. This research can support efforts to improve circularity of cotton textiles for high value applications in environmental management or electronic markets. This in turn could support these industries to reduce their carbon footprint and meet their sustainable procurement targets for greater uptake of recycled content materials.

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来源期刊
Resources, conservation & recycling advances
Resources, conservation & recycling advances Environmental Science (General)
CiteScore
11.70
自引率
0.00%
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审稿时长
76 days
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